Warfare (noun)

Military conflict between countries or groups.

Origin:

Middle english: from old northern french werre "war", from frankish *werra, based on an indo-european root meaning "to confuse or confound".

Examples:

1. The warfare lasted for years and resulted in many casualties.
2. The warfare caused widespread destruction and displacement of people.
3. The warfare ended with a peace treaty signed by both sides.
4. The warfare was fought over control of the territory.
5. The warfare was documented in a series of historical records and accounts.